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EtherCAT
18
300802431_002_C0 - 09/2019 - © Leybold
4.3 Status LEDs
The EtherCAT Option has four LEDs that indicate the communication status.
The indications conform with DS303, Part 3: Indicator Specification.
LEDs L/A OUT and L/A IN: Ethernet Link/Activity 1 and 2
The Link/Activity indicators show the status of the physical link and show
activity on the link period
RUN LED
A green lit RUN LED indicates the status of the EtherCAT
®
network state
machine.
A red lit RUN LED is only used by the NOID firmware loader, refer to the table
below.
ERROR indicator
The red error LED indicates the presence of any errors.
LEDs